Answer:
Step-by-step explanation:
a) 15 + 6x = 81
6x = 81 - 15
6x = 66
x = 11
b) 40 + 55h = 190
55h = 190 - 40
55h = 150
h = 2.7
c) (p + 7)/12 = 3
p + 7 = 36
p = 36 - 7
p = 29
Answer:
it is about grams and kilograms
Step-by-step explanation:
hope this helps
Answer:
no
Step-by-step explanation:
If this were a right triangle we would assume the Pythagorean Theorem to prove it


this gives us
49+64=84.64
this is 143=84.64 and therefore not equal and not a right triangle
Answer:
the answer is 3xy
Step-by-step explanation:
2x can be combined with -5x and x because they have the same variables, but 3xy has the variable xy so it cannot be combined with the others